FVXX20 KWBC 221313 CCA VOLCANIC ASH ADVISORY -CORRECTION ISSUED: 2004JAN22/1300Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 LOCATION: S0128W07826 AREA: ECUADOR SUMMIT ELEVATION: 16480 FT (5023 M) ADVISORY NUMBER: 2004/077 INFORMATION SOURCE: GOES-12 IMAGERY. GUAYAQUIL MWO SIGMET. ERUPTION DETAILS: GAS AND ASH EMISSIONS. OBS ASH DATE/TIME: 22/1245Z OBS ASH CLOUD: SFC/FL230 S0128W07826 - S0121W07819 - S0121W07751 - S0138W07752 - S0153W07807 - S0128W07826 MOVING TO E-S 5-10 KNOTS. FCST ASH CLOUD+6H: NOT AVBL FCST ASH CLOUD+12H: NOT AVBL FCST ASH CLOUD+18H: NOT AVBL REMARKS: CORRECTION/UPDATE...BASED ON NEWEST IMAGE 1245Z...ASH APPEARS TO BE FANNING OUT TOWARD THE SOUTH AS WELL NOW...A VERY BRIGHT HOTSPOT WAS OBSERVED IN THE 1115Z GOES CHANNEL 2 IMAGE AT TUNGURAHUA. AT THE SAME TIME SFC OBSERVERS REPORTED A NEW ERUPTIVE CLOUD TO FL230 MOVING NW. SINCE THEN THE FIRST VISIBLE IMAGES HAVE COME IN. THERE IS A HIGH ABUNDANCE OF HIGH CIRRUS CLOUDS IN THE AREA...BUT AS OF THE 1215Z IMAGE AN AREA OF VERY DENSE ASH CAN BE SEEN FROM THE SUMMIT TO 10 NM EAST OF THE SUMMIT. AN AREA OF LESS DENSE ASH APPEARS AS A FAN PATTERN ABOUT 40 NMI TO THE EAST THRU TO THE SOUTH OF THE SUMMIT. THE ASH CLOUDS DO NOT CORRESPOND WITH FORECAST WIND INFORMATION OR THE INITIAL SFC REPORT OF NW MOVEMENT BUT ARE DEFIANTLY MOVING TOWARD THE EAST. NEXT ADVISORY: WILL BE ISSUED BY 2004JAN22/1900Z. NNNN